This article discusses some questions about the subjectivity production starting from the schizoanalitic reference by Deleuze and Guattari. We have opted to refer to the central ideas of Schizoanalysis and its perspective on the subjectivity formation. Thus, we understand it as being the bond of the world s constitution, opening a way for a more practical part through which we analyse the tale The Mirror, by Machado de Assis. According to the aesthetics ethics of life s valuation we understand it as being, in fact, Schizoanalysis.